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Class: DENT - Dental Radiology; Subject: Dental Hygiene; University: Madison Area Technical College; Term: Forever 1989;
Typology: Quizzes
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a small dark area between and below the root apices of the premolars TERM 2
DEFINITION 2 may be seen as a dark area leading to the mental foramen TERM 3
DEFINITION 3 appears as a white/gray area near the middle of the molar roots. also called Internal Oblique Ridge TERM 4
DEFINITION 4 Appears as a dark area near root apices TERM 5
DEFINITION 5 Radiopaque area near Alveolar Crest
this is where x-rays are produced TERM 7
DEFINITION 7 Position indication device - tube that points are face TERM 8
DEFINITION 8 End is pointed, produced scatter radiation - not good and unsafe and not used anymore TERM 9
DEFINITION 9 Safe, may be lead lined, beam size is 2.75 inches in diameter, most common TERM 10
DEFINITION 10 Shaped like a receptor, less patient exposure, always lead lined, must use good technique
Increase of size of structure of an image over the actual size (enlargement) TERM 17
DEFINITION 17 Unequal magnification of different parts of an object TERM 18
DEFINITION 18 associated with quality , increase kVP you increase penetrating power of X-Ray beam, kVp effects contrast, kVP 70-90 used in dentistry, Effect on radiographic image - changes contrast TERM 19
DEFINITION 19 Associated with quantity, the number of X-Rays produced, Ma's increased the image density is increased or it gets darker. - Unity of measurement used to describe the number of electrons- Changes density and makes it darker TERM 20
DEFINITION 20 Exposure time is set on machineXrays are produced only when activating button is pressedkVp, mA density of an area, length of PID all effect exposure timeEffect of Radiographic image - changes density, it will be lighter or darker
Applies the exposure time change and PID lengthsIntensity of radiation varies according to the square of the distance from it's source. When PID length is changed the exposure time must change TERM 22
DEFINITION 22 New PID Length = N^2 X old exposure time = new exposure timeOld PID Length
